Tidyverse is currently GPL3 licensed, so that code will remain open even if they were to change the license for future releases. If they made it so onerous and

Tidyverse is currently GPL3 licensed, so that code will remain open even if they were to change the license for future releases. If they made it so onerous and restrictive then presumably less people would use it, to the detriment of the community. People may just move over to another language like Python.